And Saul encamped on the hill of Hachilah, which is beside the road on the east of Jeshimon. But David remained in the wilderness. When he saw that Saul came after him into the wilderness,
Here, 1. Saul gets information of David's movements and acts offensively. The Ziphites came to him and told him where David now was, in the same place where he was when they formerly betrayed him, Sa1 23:19. Perhaps (though it is not mentioned) Saul had given them intimation, under-hand, that he continued his design against David, and would be glad of their assistance.
Commenting on 1 Samuel 26:1-5
And Saul pitched in the hill of Hachilah, which is before Jeshimon, by the way,.... To the wilderness; the very same place where the Ziphites suggested David was: but David abode in the wilderness; not in the hill of Hachilah, but in the wilderness of Ziph itself: and he saw that Saul came after him into the wilderness; he understood, by some information he had...
1Sa 26:3-4 When David saw (i.e., perceived) in the desert that Saul was coming behind him, he sent out spies, and learned from them that he certainly had come (אל־נכון, for a certainty, as in 1Sa 23:23).
Commenting on 1 Samuel 26:3-4